How a montessori school actually admits a family
A montessori admission is a conversation about philosophy before it is a conversation about a school. Parents arrive with a mixture of curiosity and second-hand information, and the decisive moment is usually the observation, when they watch children working independently and either recognise something they want or realise they wanted something else. The role of an admissions process is to get the right families to that moment and to be honest with the ones for whom it will not fit.
This is also a business with unusual timing. Children join at an age rather than in a grade, places open in bands rather than in classes, and families enquire many months before they intend to start. An admissions system built around a single annual intake will mishandle most of the enquiries a montessori school receives, because the answer to a large share of them is not yes or no but a specific month in the future.
And the relationship is long. A family joining a children house may stay for three years or more, and their friends will hear about the experience for all of it. That length changes the economics of being careful. A family admitted against a poor fit costs more than the place they occupy, because the withdrawal is uncomfortable for the child, the guide and the reputation of the school.